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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 interface Interface { | 5 interface Interface { |
6 final x; | 6 final x; |
7 } | 7 } |
8 | 8 |
9 // The abstract keyword is implicit if a class declares an abstract | 9 // The abstract keyword is implicit if a class declares an abstract |
10 // member. This class does not declare any abstract members, so it | 10 // member. This class does not declare any abstract members, so it |
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30 class Concrete extends Abstract { | 30 class Concrete extends Abstract { |
31 get x => 7; | 31 get x => 7; |
32 } | 32 } |
33 | 33 |
34 class SubConcrete extends Concrete { | 34 class SubConcrete extends Concrete { |
35 final x; | 35 final x; |
36 SubConcrete(this.x); | 36 SubConcrete(this.x); |
37 } | 37 } |
38 | 38 |
39 void main() { | 39 void main() { |
40 var x = new Abstract(); /// 02: compile-time error | 40 var x = new Abstract(); /// 02: static type warning |
41 var y = new SubAbstract1(); /// 01: continued | 41 var y = new SubAbstract1(); /// 01: continued |
42 var z = new SubAbstract2(); /// 03: compile-time error | 42 var z = new SubAbstract2(); /// 03: static type warning |
43 var a = new SubSubAbstract2(); /// 04: continued | 43 var a = new SubSubAbstract2(); /// 04: continued |
44 Expect.equals(x, x); /// 02: continued | 44 Expect.equals(x, x); /// 02: continued |
45 Expect.equals('7', new Concrete().toString()); | 45 Expect.equals('7', new Concrete().toString()); |
46 Expect.equals('42', new SubConcrete(42).toString()); | 46 Expect.equals('42', new SubConcrete(42).toString()); |
47 Expect.equals('7', new SubConcrete(new Concrete()).toString()); | 47 Expect.equals('7', new SubConcrete(new Concrete()).toString()); |
48 } | 48 } |
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